[MPlayer-dev-eng] Soft volume clip methods

[Alex Beregszaszi]

Organization: Free Software Network (http://www.fsn.hu/)
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Hi,

> > Dunno, but your functions reduce dynamic range hardly, maybe you
> > would need to rescale and leave the [-1.0, +1.0] samples as is.
> 
> I'm not sure what do you mean.  The goal of a volume clip function is
> to bring the out of bounds values back in range.  It should have
> minimal effect on samples within the range.  When you says it "reduce
> dynamic range hardly", do you mean it reduces the range too much, or
> you mean it does not reduce it enough?  This is not volume
> normalizing, the goal is to keep the dynamic range as much as
> possible, but bring the OOB values down.  You cannot rescale, because
> that would affect even the quiet parts, which you would like to leave
> alone.  This also means that you cannot leave [-1,1] alone, because
> that already uses up the full range, so you have no room left to put
> the OOB values.

Just take the sin method, it reduces the dynamic range as it changes the
inside bounds samples aswell.

-- 
Alex Beregszaszi 			e-mail: alex at fsn.hu
Free Software Network			cell: +36 70 3144424